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The bigger financial impact, however, is the need to replace service lines from the main through <br />the curb stop when doing water main replacement projects. This is a common practice for <br />utilities that own the service line through the curb stop valve because it minimizes the potential <br />of having to cut into a freshly paved road to repair/replace a broken service line. These costs <br />are estimated at $3,000 per service line. On average, ERMU would replace approximately 45 <br />service line connections per year as part of a water main replacement project, adding another <br />$2.00/month per account. <br />Differentiating the frequencies and costs described above by residential versus commercial <br />accounts yields the following averages: <br />Break Repair <br />Residential <br />Commercial <br />Customer Accounts <br />5,100 <br />550 <br />Breaks per Year <br />2 <br />0.33 <br />Average Cost per Break <br />$6,000 <br />$12,000 <br />Average Cost/Month/Account <br />$0.20 <br />$0.60 <br />Curb Stop to Main Replacement <br />Residential <br />Commercial <br />Customer Accounts <br />5,100 <br />550 <br />Services per Year <br />40 <br />5 <br />Average Cost per Break <br />$3,000 <br />$6,000 <br />Average Cost/Month/Account <br />$2.00 <br />$4.50 <br />Totals <br />Residential <br />Commercial <br />Monthly Break Cost <br />$0.20 <br />$0.50 <br />Monthly Replacement Cost <br />$2.00 <br />$3.80 <br />Total Monthly Cost/Account <br />$2.20 <br />$5.10 <br />Possible Ownership Options: <br />Listed below are the typical options for ownership/responsibility of water service lines. The <br />chart summarizes the surveyed data for each option. The advantages and disadvantages of <br />each option are listed after the table. <br />1) Status Quo: The property owner owns the entire service line (24 cities/50 surveyed) <br />2) Modified Status Quo: No change to ownership, but ERMU implements a service line <br />protection program to cover repair costs (3/24). <br />3) ERMU owns from the main through the Curb Stop for all properties (26/50) <br />4) ERMU owns from the main through the Curb Stop for residential properties only (3/50) <br />Option <br />Overall <br />Metro <br />MMPA <br />MMUA <br />Size <br />Regional <br />Main Only* <br />24/50 <br />9/28 <br />3/5 <br />9/16 <br />18/33 <br />6/12 <br />Protection Program <br />3/24 <br />0/9 <br />0/3 <br />3/96 <br />3/18 <br />1/6 <br />Through Curb Stop <br />26/50 <br />19/28 <br />2/5 <br />7/16 <br />15/33 <br />6/12 <br />Residential Only* <br />3/50 <br />1/28 <br />0/5 <br />2/16 <br />2/33 <br />1/12 <br />*Includes those cities offering a protection program. <br />Page 2 of 4 <br />103 <br />